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  <title>Retrieves parameters from a context</title>

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</div><hr /><div id="function.stream-context-get-params" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">stream_context_get_params</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.3.0)</p><p class="refpurpose"><span class="refname">stream_context_get_params</span> &mdash; <span class="dc-title">Retrieves parameters from a context</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.stream-context-get-params-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="type">array</span> <span class="methodname"><strong>stream_context_get_params</strong></span>
    ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$stream_or_context</code></span>
   )</div>

  <p class="para rdfs-comment">
   Retrieves parameter and options information from the stream or context.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.stream-context-get-params-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<em><code class="parameter">stream_or_context</code></em></dt>

     <dd>

      <p class="para">
       A stream <span class="type"><a href="language.types.resource.html" class="type resource">resource</a></span> or a
       <a href="context.html" class="link">context</a> <span class="type"><a href="language.types.resource.html" class="type resource">resource</a></span>
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.stream-context-get-params-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns an associate array containing all context options and parameters.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.stream-context-get-params-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-3919">
    <p><strong>Example #1 <span class="function"><strong>stream_context_get_params()</strong></span> example</strong></p>
    <div class="example-contents"><p>
     Basic usage example
    </p></div>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$ctx&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">stream_context_create</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$params&nbsp;</span><span style="color: #007700">=&nbsp;array(</span><span style="color: #DD0000">"notification"&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #DD0000">"stream_notification_callback"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">stream_context_set_params</span><span style="color: #007700">(</span><span style="color: #0000BB">$ctx</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$params</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">stream_context_get_params</span><span style="color: #007700">(</span><span style="color: #0000BB">$ctx</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

    <div class="example-contents"><p>以上例程的输出类似于：</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
array(2) {
  [&quot;notification&quot;]=&gt;
  string(28) &quot;stream_notification_callback&quot;
  [&quot;options&quot;]=&gt;
  array(0) {
  }
}
</pre></div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.stream-context-get-params-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="function.stream-context-set-option.html" class="function" rel="rdfs-seeAlso">stream_context_set_option()</a> - Sets an option for a stream/wrapper/context</span></li>
    <li class="member"><span class="function"><strong>stream_context_get_params()</strong></span></li>
    <li class="member"><span class="function"><a href="function.stream-context-set-params.html" class="function" rel="rdfs-seeAlso">stream_context_set_params()</a> - Set parameters for a stream/wrapper/context</span></li>
   </ul>
  </p>
 </div>


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